RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics

Show Detailed Complexation Query Results


Surface Complex Formation Data:

Mineral: Montmorillonite
Reference: SAR19
SCM Type: NE - Non-electrostatic
Ligand: NpO2<1+> - neptunyl(V)
Site Type: »X(s)-OH
Equation: »X(s)-OH + NpO2<1+> + CO3<2->  ⇔  »X(s)-O-NpO2CO3<2-> + H<1+>
LogK: 1.9 ± 0.3
Experiment: Batch Sorption Experiments
Ionic Strength: NaCl
Temperature: 296.15 K
pH Range: 2 - 10
Ligand Concentration Range: 3.5E-12; 1E-8 mol/L
Fit Method: PhreePlot
Comment: 3 g/L (1E-8 M Np(V) in 3.0 M NaCl) and 17 g/L (3.5E-12 in 0.1 and 1.0 M NaCl)
 
1 data sets were retrieved